do i need a HO alternator for my chevrolet sprint to run my 2 12" subs?

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Dana

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hi i have a 1990 chevrolet sprint and want to put my two 12" pioneer premier subs in it and my sony 900 watt amp and was woundering would my alternator be able to handle it?or would i have to get a HO alternator or could i just get a red top battery and a capacitor? my sony amp has 3 30 amp fuses. also how big are the speakers in a chevy sprint? i want to replace all of them.
 
You need a whole 'nother cylinder and about another fifty cubic feet of car.

Seriously, add the HO alternator. But be prepared to fab up some kind of idle-up widget to boost the throttle when your amperage draw goes up. That dinky little engine doesn't have much go, especially at idle. If the amp really kicks in while you're sitting at a light, it might stall out.
 
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